325542531 has 4 divisors (see below), whose sum is σ = 434056712. Its totient is φ = 217028352.

The previous prime is 325542499. The next prime is 325542533. The reversal of 325542531 is 135245523.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 325542531 - 2⁵ = 325542499 is a prime.

It is a super-2 number, since 2×325542531² = 211955878979771922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325542533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54257086 + ... + 54257091.

It is an arithmetic number, because the mean of its divisors is an integer number (108514178).

Almost surely, 2^325542531 is an apocalyptic number.

325542531 is a deficient number, since it is larger than the sum of its proper divisors (108514181).

325542531 is a wasteful number, since it uses less digits than its factorization.

325542531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108514180.

The product of its digits is 18000, while the sum is 30.

The square root of 325542531 is about 18042.7972055333. The cubic root of 325542531 is about 687.9167939251.

The spelling of 325542531 in words is "three hundred twenty-five million, five hundred forty-two thousand, five hundred thirty-one".